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Finding the Fourth Proportional to 14,150.40, 19,521.50 and 8,835.99

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Solution

The fourth proportional to 14,150.40, 19,521.50 and 8,835.99 is: 12,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.40 : 19,521.50 = 8,835.99 : x
  2. Step 2: Convert to fraction form
    14,150.40/19,521.50 = 8,835.99/x
  3. Step 3: Cross multiply
    14,150.40x = 19,521.50 × 8,835.99
  4. Step 4: Simplify right side
    14,150.40x = 172,491,734.61
  5. Step 5: Solve for x
    x = 172,491,734.61/14,150.40
  6. Step 6: Final answer
    x = 12,189.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.